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Openlayer component.
There is a newer version: 1.5-RC5.1
/*
 * 
 * ==============================================================================
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.wicketstuff.openlayers.api;

import java.util.StringTokenizer;

import org.wicketstuff.openlayers.js.Constructor;

/**
 */
public class Bounds implements Value {
	/**
	 * Default serialVersionUID.
	 */
	private static final long serialVersionUID = 1L;

	private final LonLat sw;
	private final LonLat ne;

	/**
	 * Construct.
	 * 
	 * @param sw
	 * @param ne
	 */
	public Bounds(LonLat sw, LonLat ne) {
		this.sw = sw;
		this.ne = ne;
	}

	public LonLat getSW() {
		return sw;
	}

	public LonLat getNE() {
		return ne;
	}

	@Override
	public String toString() {
		return getJSconstructor();
	}

	/**
	 * @see Value.contrib.gmap.api.GValue#getJSconstructor()
	 */
	public String getJSconstructor() {
		return new Constructor("OpenLayers.Bounds").add(sw.getLng()).add(
				sw.getLat()).add(ne.getLng()).add(ne.getLat()).toJS();
	}

	@Override
	public int hashCode() {
		return sw.hashCode() ^ ne.hashCode();
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof Bounds) {
			Bounds t = (Bounds) obj;
			return t.sw.equals(sw) && t.ne.equals(ne);
		}
		return false;
	}

	/**
	 * ((37.34068368469045, -122.48519897460936), (37.72184917678752,
	 * -121.79855346679686))
	 */
	public static Bounds parse(String value) {
		StringTokenizer tokenizer;
		try {
			tokenizer = new StringTokenizer(value, "(, )");
		} catch (NullPointerException e) {
			return null;
		}
		if (tokenizer.countTokens() != 4) {
			return null;
		}

		LonLat sw = new LonLat(Float.valueOf(tokenizer.nextToken()), Float
				.valueOf(tokenizer.nextToken()));
		LonLat ne = new LonLat(Float.valueOf(tokenizer.nextToken()), Float
				.valueOf(tokenizer.nextToken()));
		return new Bounds(sw, ne);
	}

	/**
	 * left-bottom=(37.34068368469045, -122.48519897460936)
	 * right-top=(37.72184917678752, -121.79855346679686)
	 */
	public static Bounds parseWithNames(String value) {
		try {
			StringTokenizer tokenizer = new StringTokenizer(value, "(, )");
			if (tokenizer.countTokens() != 6) {
				return null;
			}
			tokenizer.nextToken();
			LonLat sw = new LonLat(Float.valueOf(tokenizer.nextToken()), Float
					.valueOf(tokenizer.nextToken()));
			tokenizer.nextToken();
			LonLat ne = new LonLat(Float.valueOf(tokenizer.nextToken()), Float
					.valueOf(tokenizer.nextToken()));
			return new Bounds(sw, ne);
		} catch (NullPointerException e) {
			return null;
		}
	}
}